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Plug-in hybrid electric vehicle heat management system

A technology of hybrid electric vehicles and thermal management systems, applied in the field of thermal management systems, can solve problems such as large frictional resistance, failure to achieve maximum utilization of thermal management resources, low viscosity of lubricating oil, etc., and achieve the effect of increasing temperature

Active Publication Date: 2019-05-24
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat from other heat-generating components is not fully utilized to preheat the engine, and the maximum utilization of thermal management resources is not reached. When the engine restarts, the viscosity of the lubricating oil is low, the friction resistance is too large, and the fuel injection volume increases, which affects the overall vehicle economy. performance and emissions

Method used

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  • Plug-in hybrid electric vehicle heat management system
  • Plug-in hybrid electric vehicle heat management system
  • Plug-in hybrid electric vehicle heat management system

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Embodiment Construction

[0039] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings. This embodiment takes the integration of the three systems of the engine cooling system, the motor cooling system, and the battery cooling system as an example. Other cooling systems such as the battery controller cooling system, The integration of the motor controller cooling system etc. is similar:

[0040] This embodiment provides a vehicle thermal management system for a plug-in hybrid electric vehicle, which uses an integrated heat exchanger to connect multiple independent systems in parallel, and adjusts the temperature of each system by adjusting the flow of coolant through multiple three-way control valves . The specific implementation method is as follows:

[0041] The structure of the plug-in hybrid electric vehicle thermal management system of this embodiment is as follows: figure 1 As shown, the core component is the integrate...

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Abstract

The invention provides a plug-in hybrid electric vehicle heat management system. Relative independent systems in a plug-in hybrid electric vehicle such as an engine cooling system, a motor cooling system, a battery cooling system, a battery controller cooling system are integrated into an overall heat management system by an integrated heat exchanger. The integrated heat exchanger serves as a coreheat exchange structure, heat exchange of engine oil, engine cooling liquid, a battery cooling system, a battery controller cooling system and a motor cooling system is implemented by the aid of multiple cooling cycle paths, and optimal operating temperatures of systems are achieved. According to the system, waste heat generated by running of an engine, discharging of a battery and heat dissipation of the motor is sufficiently utilized, energy of the systems in a whole vehicle is reasonably cycled and utilized, so that energy is saved, and the efficiency of the whole vehicle heat management system is improved.

Description

technical field [0001] The patent of the invention belongs to the field of auto parts, and specifically relates to a thermal management system used in a plug-in hybrid electric vehicle. Background technique [0002] With the depletion of global oil resources and strict national emission regulations, due to the popular awareness of environmental protection, the country is encouraging the development of new energy vehicles in order to control the traditional fuel consumption of vehicles. Electric vehicles use renewable electric energy Resources, clean and pollution-free, supported and promoted by the state, hybrid vehicles, pure electric vehicles, plug-in hybrid vehicles and other vehicles have been launched in the domestic market. At present, the plug-in hybrid electric vehicle in the domestic market is a kind of new energy vehicle, because of its characteristics of seamless switching between pure electric and fuel operation, long mileage, limited by factors such as insuffici...

Claims

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Application Information

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IPC IPC(8): B60K11/02B60L58/26B60L58/27
CPCY02T10/70
Inventor 郑伟伏蓉余训闵龙李勇胡文薇夏雨贺蓉城
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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